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If s=9.9 & r=1.1...n could be 9,8,7,6,5,4,3,2...8 integers
If s=1.1 & r=0.9...n could be 1...1 integer
Not sufficient

Together...

Statement 1 tells us the range is 5...
Statement 2 tells us s & r are decimals, fractions, etc...
As long as the range is 5, the fraction or decimal for r and s must be equal...therefore, there will always be 5 integers between r & s...

I agree vik, had statement 2 not been there, I probably never would have considered decimals or fractions...so much of what the GMAT asks about is integers, it's easy to get conditioned to forget about real #'s...

I agree vik, had statement 2 not been there, I probably never would have considered decimals or fractions...so much of what the GMAT asks about is integers, it's easy to get conditioned to forget about real #'s...

and more so in this question since it starts out by saying n is an integer so the integer status of r & s can to be taken for granted by many.